CURRENT PROPAGATION CONDITIONS.: Solar-terrestrial indices for 22 June follow. Solar flux 80 and estimated planetary A-index 4. The estimated planetary K-index at 2100 UTC on 22 June was 1. No space weather storms were observed for the past 24 hours. No space weather storms are predicted for the next 24 hours.

ALERT CONDITION: WHISKY ( WHITE )

Friday, June 22, 2018 - 22:21 GMT - UPDATE # 45

OPERATIONAL FORECAST. - GEOMAGNETIC FIELD. The geomagnetic field is expected to be quiet on days one and two (22-23 Jun). Day three (24 Jun) is expected to be quiet to unsettled due to the anticipated CIR and CH HSS. .- SOLAR ACTIVITY. Solar activity is expected to be very low all three days (22-24 Jun) with a chance for C-class flares all three days.

G/S/R SCALES USED     DEF'S USED     LIGHTNING - (QRN)


HF OPERATIONAL BRIEFING - CURRENT CONDITIONS IN DETAIL

CURRENT SOLAR CONDITIONS


VISIBLE DISK

 


SOLAR MAGNETOGRAM

 


NEAR INFRARED

 


SUNSPOT TRACKING

 

Solar activity was at very low levels. Region 2715 (N08W01, Dao/beta) was stable and inactive. Region 2713 (N05W58, Dao/beta) exhibited slight growth during the period and was inactive. No Earth-directed CMEs were observed in available coronagraph imagery.


RADIO BLACKOUTS - SOLAR STORMS - GEOMAGNETIC STORMS

The geomagnetic field was quiet.


"D" LAYER - HF ATTENUATION LEVELS


AURORA  -   NORTH POLE  - SHORT PATH